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Induction-loop traffic light sensors — it's like the pedestrian crossing button, but for cars. Minimizing idle time at traffic lights.
Tony T3
Tony T3 May 04, 2013
Induction-loop traffic light sensors — it's like the pedestrian crossing button, but for cars. Minimizing idle time at traffic lights.

I've seen these sensors...

Often 5
Occasionally 4
Rarely 6
Never 12
What is it? 1
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Similar Photos: Ottawa has been counting bicycles on its new segregated bike lanes The water canary helps to analize via twitter and in real time the health of the rivers, sewage and urban rivers around the world. The map I've added is from Nike and the orange streaks are where runners, with Nike+ shoes with sensors or Nike+ GPS apps, run in our city.

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